A triangle is enlarged by a factor of 3. The perimeter of the new triangle is 36 feet. What could be the lengths of the sides of the original triangle?

A. 3 feet, 4 feet, and 5 feet
B. 1.5 feet, 1.25 foot, and 1.25 foot
C. 2 feet, 0.5 feet, and 1.8 feet
D. 4 feet, 4 feet, and 3 feet

1 answer

pick the set with perimeter=12 since 12*3=36